Dr. Emily C. Reznicek, DO
- Medicare services, 2024
- 339
- Medicare patients, 2024
- 229
- Part D claims, 2024
- 517
- Publications
- 5
- Hospital affiliations
- 2
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Reznicek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Emily C. Reznicek is a gastroenterologist in Saint Louis, Missouri
Dr. Reznicek practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Reznicek's NPI, 1306378039, was assigned on March 31, 2017. Dr. Reznicek graduated from Alabama College of Osteopathic Medicine in 2017. Dr. Reznicek holds Missouri license 2023013604.
- NPI
- 1306378039NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961771910
- NPI enumeration date
- March 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emily C. Reznicek practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Reznicek's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Emily C. Reznicek is affiliated with 2 sites of care and 1 medical group
Dr. Reznicek's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Reznicek is also affiliated with Missouri Baptist Medical Center. The medical group on file is Mercy Clinic Gastroenterology.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Emily C. Reznicek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reznicek practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Emily C. Reznicek is one of 329 gastroenterologists in Missouri
Gastroenterology is Dr. Reznicek's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Reznicek is licensed in Missouri.
Specialties and state licenses
- Gastroenterology, MissouriPrimary
Gastroenterologists near Dr. Reznicek
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Emily C. Reznicek billed Medicare for 339 services in 2024
CMS data shows 339 Medicare services from Dr. Reznicek across 11 procedure codes in 2024, for 229 Medicare patients. Medicare paid $24,535 for them.
Dr. Reznicek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2852024: 12955%
- Surgery
- 2023: 2302024: 12645%
- Office and hospital visits
- 2023: 1002024: 7228%
- Tests and treatments
- 2023: 372024: 1268%
- Other services
- 2023: 262024: 0100%
Where Dr. Reznicek's Medicare services took place, 2024
- In an office20159%
- In a facility13841%
Dr. Reznicek compared with the Missouri median for gastroenterologists, 2024
- Dr. Reznicek
- Missouri median
- Medicare services
- 339vs 41619% below
- Medicare patients
- 229vs 29623% below
- Part D claims
- 410vs 4346% below
Medians across 337 gastroenterologists in Missouri with Dmand AI profiles that report each measure.
Dr. Reznicek's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reznicek and other gastroenterologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Emily C. Reznicek treated 229 Medicare patients in 2024, average age 73
CMS counts 229 Medicare patients who saw Dr. Reznicek in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Reznicek's median patient age at 56, with 63% women.
Dr. Reznicek's Medicare patients by age, 2024
Dr. Reznicek's Medicare patients by sex, 2024
- Women13459%
- Men9541%
Chronic conditions among Dr. Reznicek's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis51%
- Diabetes27%
- Anxiety26%
- Chronic kidney disease26%
- Mood disorders26%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reznicek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Emily C. Reznicek wrote 517 Medicare Part D claims in 2024
In 2024, Dr. Reznicek wrote 517 Medicare Part D claims for 269 patients. 86% of them were for generic drugs. CMS names the drug for 410 of them, across 12 drugs with 11 or more claims each, at $36,007 in total drug cost. In 2023, CMS named 157 claims across 6 drugs.
Dr. Reznicek's Part D claims by kind of drug, 2024
- Generic447 claims86%
- Brand-name and other70 claims14%
Dr. Reznicek's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Reznicek's Part D claims, 2024
- Antibiotics3%16 of 517 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1572024: 410161%
Drugs named by CMS: 12 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Emily C. Reznicek ranks in the 64th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Reznicek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 51 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Reznicek, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Reznicek ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 64th percentile51 procedures
- Colonoscopy
- 51st percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Emily C. Reznicek has 5 publications on record
Dmand AI links 5 papers to Dr. Reznicek, published from 2021 to 2023. 2021 was the busiest year, with 2. Dr. Reznicek has published most often in Diseases. Dr. Reznicek's most frequent co-authors are Bryce Edward Montane, MD, Mohammad Arfeen and Federico N. Aucejo, MD.
Dr. Reznicek's papers by year, 2021 to 2023
Dr. Reznicek's most frequent co-authors
- Bryce Edward Montane, MD2 shared papers
- Mohammad Arfeen1 shared paper
- Federico N. Aucejo, MD1 shared paper
Recent publications by Dr. Reznicek
Transplantation
See who Dr. Reznicek researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Reznicek works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Emily C. Reznicek received $913 in industry payments from 2023 to 2025
CMS Open Payments shows 46 general payments to Dr. Reznicek from 20 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $286.
General payments to Dr. Reznicek by program year, 2023 to 2025
Companies that paid Dr. Reznicek the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Emily C. Reznicek graduated from Alabama College of Osteopathic Medicine
Dr. Reznicek graduated from Alabama College of Osteopathic Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Emily C. Reznicek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Emily C. Reznicek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Emily C. Reznicek's NPI number?
Dr. Emily C. Reznicek's NPI number is 1306378039. It was assigned on March 31, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Emily C. Reznicek?
Dr. Emily C. Reznicek is a gastroenterologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Emily C. Reznicek practice?
Dr. Reznicek practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Reznicek's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Dr. Emily C. Reznicek's office phone number?
The practice phone on file for Dr. Reznicek is (314) 251-6000.
What is Dr. Emily C. Reznicek's medical license number?
Dr. Reznicek holds Missouri license 2023013604.
Which hospitals is Dr. Emily C. Reznicek affiliated with?
Dr. Reznicek practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Reznicek is also affiliated with Missouri Baptist Medical Center.
What medical group is Dr. Emily C. Reznicek part of?
Dr. Reznicek is linked to Mercy Clinic Gastroenterology.
Does Dr. Emily C. Reznicek accept Medicare?
Yes. CMS data shows Dr. Reznicek billed Medicare for 339 services in 2024, and Dr. Reznicek accepts Medicare assignment.
How many Medicare patients does Dr. Emily C. Reznicek see?
CMS counts 229 Medicare patients who saw Dr. Reznicek in 2024, with an average age of 73.
What services does Dr. Emily C. Reznicek bill to Medicare?
In 2024, Dr. Reznicek's most billed Medicare services were lab and pathology test (88305), surgery: digestive system (45385) and surgery: digestive system (43239).
Show 6 more questionsShow fewer questions
Where did Dr. Emily C. Reznicek go to medical school?
Dr. Reznicek graduated from Alabama College of Osteopathic Medicine in 2017.
What drugs does Dr. Emily C. Reznicek prescribe most?
In 2024 Medicare Part D data, Dr. Reznicek's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.
Has Dr. Emily C. Reznicek received payments from drug or device companies?
CMS Open Payments shows $913 in general payments to Dr. Reznicek from 20 companies from 2023 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Emily C. Reznicek been practicing?
Dr. Reznicek graduated from medical school in 2017, 9 years ago.
Does Dr. Emily C. Reznicek do research?
Dmand AI links 5 publications to Dr. Reznicek, published from 2021 to 2023.
Who does Dr. Emily C. Reznicek publish with?
Dr. Reznicek's most frequent co-authors are Bryce Edward Montane, MD (2 shared papers), Mohammad Arfeen (1 shared paper) and Federico N. Aucejo, MD (1 shared paper).
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